Design, develop, and maintain robust, scalable, and high-performance applications.
Implement trunk-based development practices to enable continuous integration and rapid delivery.
Develop clean, maintainable, and testable code following SOLID principles and software design best practices.
Ensure high levels of unit test coverage, test-driven development (TDD), and behavior-driven development (BDD).
Actively contribute to hands-on coding, code reviews, and refactoring to maintain high engineering standards.

Engineering Excellence & Best Practices

Drive the adoption of modern engineering ways of working, including Agile, DevOps, and CI/CD.
Advocate for automated testing, infrastructure as code, and continuous monitoring to enhance software reliability.
Apply Behavior-Driven Development (BDD), Test-Driven Development (TDD), and unit testing to ensure code quality and functionality.
Conduct thorough code reviews, ensuring adherence to best practices in readability, performance, and security.
Implement and enforce secure coding practices, performing vulnerability assessments and ensuring compliance with security standards.
Collaborate effectively in agile environments, embracing DevOps principles and fostering a culture of continuous delivery and improvement.

Technical Leadership & Collaboration

Partner with architects, product owners, and cross-functional teams to design scalable and distributed systems.
Mentor junior engineers and foster a culture of engineering excellence and continuous learning.
Collaborate closely with DevOps teams to optimize deployments, observability, and production resilience.
Lead technical discussions, contribute to design documentation, and provide

Skills And Qualifications Must-Have Skills:

5+ years of relevant experience
Required Languages: English (Proficient), Japanese is plus.
Strong hands-on experience in Java and working knowledge of C++ is a plus.
Deep expertise in system design and microservices architecture.
Experience with trunk-based development, feature flags, and progressive delivery strategies.
Proficiency in TDD, BDD, and automation-first mindset to ensure high test coverage and reliability.
Strong understanding of CI/CD pipelines, and DevOps practices.
Experience conducting code reviews, vulnerability assessments, and secure coding.
Familiarity with modern cloud-native technologies (AWS, Kubernetes, Docker).
Excellent problem-solving skills and ability to work in fast-paced, agile environments.
Strong communication and collaboration skills.

Good-to-Have Skills

Experience with event-driven architecture and distributed systems.
Knowledge of performance tuning, observability, and production monitoring.
Familiarity with Agile frameworks and modern ways of working in product development.

Java Microservices

関連